reporter: because the chinese law allows them to provide access to information they obtain, lawmakers are urging them to stop doing business with them. >> only look at what is at stake and what critical infrastructure we would open up to the very threat of both cyberespionage and potential cyberattack, if her adversary so desires, we can come to no other conclusion. reporter: it has played out against the backdrop against china's misbehavior. >> we will crack down on china, they cheat him to have stolen our jobs, we have brought more trade cases against china in one term than the previous administration did in two. reporter: roger says the investigation also uncovered information that could lead to several criminal charges, includina significant bribery case that will be handed over to the fbi on tuesday. lou: shannon, this is remarkable. this report, the 60 minutes piece last night, it is really a compelling story. but it does look to be peculiar in its timing, given the presidential election as it approaches and the fact that we have such a expensive relationship with china. what is